diff --git a/po/en_GB.po b/po/en_GB.po
index 960abad6d..3bcff5150 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -8925,6 +8925,9 @@ msgid ""
 "invalidation if %ssession.gc_maxlifetime%s is lower than its value "
 "(currently %d)."
 msgstr ""
+"%sLogin cookie validity%s greater than 1440 seconds may cause random session "
+"invalidation if %ssession.gc_maxlifetime%s is lower than its value "
+"(currently %d)."
 
 #: setup/lib/index.lib.php:262
 #, fuzzy, php-format